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Kaosun's Vintage CD Player Service Bulletin

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Post time 2015-10-28 13:24:14 | Show all posts |Read mode
I have researched most of vintage portable CD players made by Sony, Panasonic, Philips, Denon, Aiwa, Citizen, Toshiba and Kenwood.
I will reply any technical question about the following models:

Sony: D50 D50MKII D55T D100 D150 D250 D350 D303 D555 D99 D90 D3 D2 D2T D66 D34 D33 D121
Panasonic: SL-XP7 XP5 XP3 S505 S900 S700 S470 S490
Philips: CD10 AZ6808 AZ6819 AZ6826 AZ6804 AZ6805
Denon: DCP50 DCP150
Aiwa: XP50 XP66 XP77 XP6 XP7
Citizen: CBM1000 CMD3000
Toshiba: XR-P20 P21 P22
Kenwood: DPC-80 92 R7 7 77 92

Welcome any technical question!

Also two links at head-fi and the one at jd-bbs:

Jd-bbs   (from 8th May 2008): http://www.jd-bbs.com/thread-1621116-1-1.html

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 Author| Post time 2016-07-03 20:08:50 | Show all posts
It might be something wrong with your CD player. But test it by your new power adapter and let me know.
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Post time 2015-10-28 17:59:09 | Show all posts
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 Author| Post time 2015-10-28 22:09:16 | Show all posts
Any issues are welcome!

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Post time 2015-10-29 16:02:52 | Show all posts
Kaosun's expertise is the best and reliable!

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Post time 2015-10-29 20:25:44 | Show all posts
Happy to see this forum here, hope this forum would be the best regarding to PCDPs!

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Post time 2015-11-02 06:52:43 | Show all posts
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Post time 2015-11-22 20:23:58 | Show all posts
one year ago, I knew nothing about portable CD player, I just read Master GU's(Kaosun) thread again and again, then I can repaired some of them.
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 Author| Post time 2015-11-23 00:02:38 | Show all posts
ldzhjx0104 2015-11-23 02:23
one year ago, I knew nothing about portable CD player, I just read Master GU's(Kaosun) thread again  ...

I'm so glad hearing that! Keep studying and practicing, you'll become more skillful!
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Post time 2016-07-01 20:05:57 | Show all posts
I asked this question on Head-fi in DIY thread. But I just got a D-303. I bought a universal power supply and it was working fine yesterday through the power supply. Now today, there is clear distortion when I use the power supply. It sounds like a capacitor is blown on the AC power line. I'm wondering if you agree with this assessment or not? Mind you the player works flawlessly on battery.
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 Author| Post time 2016-07-01 23:10:48 | Show all posts
tsljukic 2016-07-01 20:05
I asked this question on Head-fi in DIY thread. But I just got a D-303. I bought a universal power s ...

If battery powers it well, the player should be basically fine. I'm not sure what the quality of the power supply is but I suggest to buy one AC-94N power adapter online to test it. If you confirm the player's issue, you can contact me later.
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